Commands by Subsystem 3
Agilent InfiniiVision 5000 Series Oscilloscopes Programmer's Reference 141

:CALibrate:TIME

(see page 530)
Query Syntax :CALibrate:TIME?
The :CALibrate:TIME? query returns the time of the last calibration.
Return Format <date><NL>
<date> ::= hour,minutes,seconds in NR1 format
See Also "Introduction to :CALibrate Commands" on page 134